#include <stdio.h>
int main(void)
{
	float PI = 3.14159;
	printf ("CONVERSION SPECIFICATIONS FOR REAL NUMBERS\n\n");
	printf ("Cases for precision being specified correctly \n");
	printf ("PI = \n"
	        "[[%1.5f]] \t\t(field width less than actual) \n"
	        "[[%15.5f]] \t(field width greater than actual)\n"
	        "[[%-15.5f]] \t(field width greater than actual)\n"
	        "[[%.7f]] \t\t(no field width specified) \n\n", PI, PI, PI, 2 * PI);
}
